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Finding the Fourth Proportional to 7,335.90, 11,007.09 and 3,636.09

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Solution

The fourth proportional to 7,335.90, 11,007.09 and 3,636.09 is: 5,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.90 : 11,007.09 = 3,636.09 : x
  2. Step 2: Convert to fraction form
    7,335.90/11,007.09 = 3,636.09/x
  3. Step 3: Cross multiply
    7,335.90x = 11,007.09 × 3,636.09
  4. Step 4: Simplify right side
    7,335.90x = 40,022,769.88
  5. Step 5: Solve for x
    x = 40,022,769.88/7,335.90
  6. Step 6: Final answer
    x = 5,455.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.